Issue #3458565 by nishtha.pradhan, sadamafridi, joachim, smustgrave, vinmayiswamy, rodrigoaguilera, dksdev01, bibliophileaxe, devjuarez: TablesInterface::addField() doesn't document that $field can contain relationships
mentioned in commit 65eb6d6b
mentioned in commit f3d64167
mentioned in commit 3fd22f7e